Am29F400AT Datasheet PDF

PRELIMINARY Am29F400AT/Am29F400AB 4 Megabit (524,288 x 8-Bit/262,144 x 16-Bit) CMOS 5.0 Volt-only, Sector Erase Flash Memory 5.0 V-only Flash DISTINCTIVE CHARACTERISTICS s 5.0 V ± 10% for read and write operations — Minimizes system level power requirements s Compatible with JEDEC-standards — Pinout and software compatible with single-power-supply flash — Superior inadvertent write protection s Package options — 44-pin SO — 48-pin TSOP s Minimum 100,000 write/erase cycles guaranteed s High performance — 60 ns maximum access time s Sector erase architecture — One 16 Kbyte, two 8 Kbytes, one 32 Kbyte, and seven 64 Kbytes — Any combination of sectors can be erased. Also supports full chip erase. s Sector protection — Hardware method that disables any combination of sectors from write or erase operations. Implemented using standard PROM programming equipment. s Embedded Erase™ Algorithms — Automatically preprograms and erases the chip or any sector GENERAL DESCRIP